625612441564 has 192 divisors, whose sum is σ = 1273569454080. Its totient is φ = 266367467520.

The previous prime is 625612441541. The next prime is 625612441627. The reversal of 625612441564 is 465144216526.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1084250044 + ... + 1084250620.

It is an arithmetic number, because the mean of its divisors is an integer number (6633174240).

Almost surely, 2^625612441564 is an apocalyptic number.

It is an amenable number.

625612441564 is an abundant number, since it is smaller than the sum of its proper divisors (647957012516).

625612441564 is a wasteful number, since it uses less digits than its factorization.

625612441564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 625612441564 in words is "six hundred twenty-five billion, six hundred twelve million, four hundred forty-one thousand, five hundred sixty-four".